The town emblem and the flag were adopted on Aug 5th 2003 by Notice No 117.
The white flag has a light blue, a green two color town emblem in the center.
The town emblem depicts Osakikamijima floating in Seto Inland Sea. It represents
an image of the town people who steps forward as three tomes vividly and freely
in the abandunt nature since the merger of the former three towns. The flag
proportion is 2:3. The height of the emblem is 65/100 of the height of the flag.Nozomi Kariyasu, 29 June 2014

Thanks to Mr. Kariyasu, here is the correction.Tomislav Šipek, 30 June 2014